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CC752S Brass vs. C94400 Bronze

Both CC752S brass and C94400 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 66% of their average alloy composition in common.

For each property being compared, the top bar is CC752S brass and the bottom bar is C94400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
55
Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 8.4
18
Poisson's Ratio 0.31
0.35
Shear Modulus, GPa 40
37
Tensile Strength: Ultimate (UTS), MPa 350
220
Tensile Strength: Yield (Proof), MPa 190
110

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 130
150
Melting Completion (Liquidus), °C 840
940
Melting Onset (Solidus), °C 800
790
Specific Heat Capacity, J/kg-K 380
350
Thermal Conductivity, W/m-K 110
52
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
10
Electrical Conductivity: Equal Weight (Specific), % IACS 28
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
32
Density, g/cm3 8.1
9.1
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 46
54
Embodied Water, L/kg 330
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
33
Resilience: Unit (Modulus of Resilience), kJ/m3 180
60
Stiffness to Weight: Axial, points 7.1
6.1
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 12
6.8
Strength to Weight: Bending, points 13
9.0
Thermal Diffusivity, mm2/s 35
17
Thermal Shock Resistance, points 12
8.3

Alloy Composition

Aluminum (Al), % 0.3 to 0.7
0 to 0.0050
Antimony (Sb), % 0 to 0.14
0 to 0.8
Arsenic (As), % 0.040 to 0.14
0
Copper (Cu), % 61.5 to 64.5
76.1 to 84
Iron (Fe), % 0 to 0.3
0 to 0.15
Lead (Pb), % 1.5 to 2.2
9.0 to 12
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.2
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.020
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.3
7.0 to 9.0
Zinc (Zn), % 31.5 to 36.7
0 to 0.8